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MCP Server for Generating Chart Image (FastMCP + FastAPI)

@qnnpnet

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基本情報

カテゴリ

開発者ツール

トランスポート

stdio

作者

qnnpnet

MCP Server for Generating Chart Image について

概要はまだありません

#chart-mcp#chart-generator#fastapi

MCP Server for Generating Chart Image の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "chart-mcp-server": {
      "command": "uv",
      "args": [
        "sync"
      ]
    }
  }
}

MCP Server for Generating Chart Image のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is MCP Server for Generating Chart Image (FastMCP + FastAPI)?

This is an MCP server that generates chart images from Python plotting code. It converts Python code using matplotlib into a static PNG image and returns a URL to the saved file. It is built with FastMCP and FastAPI and intended for developers who need to programmatically generate charts from code snippets.

How to use MCP Server for Generating Chart Image (FastMCP + FastAPI)?

Clone the repository, install dependencies with uv sync, and run uv run main.py to start the server. The server listens on port 8107 by default. Send a POST request to /generate_chart with a JSON body containing the code field (Python code using matplotlib) to receive an image URL in the response.

Key features of MCP Server for Generating Chart Image (FastMCP + FastAPI)

  • Generates chart images from arbitrary matplotlib Python code
  • Returns a URL to the saved PNG image
  • Built on FastMCP and FastAPI for easy integration
  • Uses uv for dependency and environment management
  • Stores generated images in a static directory

Use cases of MCP Server for Generating Chart Image (FastMCP + FastAPI)

  • Embedding dynamic chart generation in AI assistant workflows
  • Converting text-based plotting instructions into shareable images
  • Automating chart creation from code snippets in applications
  • Serving as a tool inside MCP-based agents to produce visual outputs

よくある質問

1

What are the runtime requirements?

Python 3.11 or higher is required. Dependencies include FastMCP, FastAPI, uvicorn, python-dotenv, requests, and matplotlib.

2

How do I start the server?

Clone the repository, run `uv sync` to install dependencies, then execute `uv run main.py`. The server will start on the default port.

3

How do I generate a chart?

Send a POST request to `http://localhost:8107/generate_chart` with a JSON body: `{"code": "import matplotlib.pyplot as plt\nplt.plot([1,2,3],[4,5,6])\nplt.title(\"My Chart\")"}`.

4

Where are the generated images stored?

Images are saved under `static/images/` with a timestamped filename. The response includes a full URL to access the image.

5

What does the response look like?

The response is a JSON object: `{ "image_url": "http://localhost:8107/static/images/20250419160332_d8b758e9.png" }`.

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